How to Get Better at 'Back of the Envelope' Calculations Ifeadi C. 00:05 Feed: All Latest, Zero Tech Blog Estimating answers to everyday physics problems is an art form. Here's one tip: learn to ignore what you don't know. via Zero Tech Blog Share this Share on FacebookTweet on TwitterPlus on Google+ Related PostsWho Are We If Not Our Faces?E-Scooters Are Everywhere in Europe. So Are Grisly Accidents11 TikTok-Viral Gifts That Are Actually Worth ItThis New Tech Cuts Through Rock Without Grinding Into ItThe Withings ScanWatch Is a Classy Everyday Fitness TrackerWhy I Love to Scrounge in Video Games